And even worse, they had to sit through a plane ride together as they left San Jose and arrived at Burbank Airport (above)! The two were attending a tech conference for their joint venture, We Are Thorn, which aims to "disrupt and deflate the predatory behavior of those who abuse and traffic children, solicit sex with children, or create and share child pornography."

So they might be divorcing and fighting over money, but it's not all bad blood between them!

We told you all the unexpected deets about how friendly the two seemed as they made their way out of the airport, and now we have the photographic evidence! And what can we say, they don't look TOO miserable.

Even though Mila Kunis was probably fuming in Toronto the paparazzi were probably snapping away to get this juicy pic, the former happily married couple maintained their cool really damn well!

We've been pretty damn sure Ashton Kutcher wasn't having a smooth divorce with Demi Moore, but maybe the tides have turned.

After they both ended up at the same tech conference in San Jose, California, they then both ended up on the same flight to El Lay! And that apparently gave them enough time to become friends again!

The former luvahs were spotted arriving at Burbank Airport where they were casually chatting away as they made their ways to their cars. Perhaps they were chatting about how to FINALLY settle their divorce?

But now, that's all about to change, at least according to TMZ! That's because a week from tomorrow -- on December 17 -- Khloé and Lamar's split will be legal, final, and FULL! And that's all she wrote!

As the final divorce docs are set to be stamped by a judge on that day just over a week from right now, the final terms are pretty standard and straightforward, too: